Question

Beijing is a city with many places of interest and _____ tourists come here every year.

A．million of

B．million

C．millions

D．millions of

Answer 1

D

试题分析：考查短语millions of成千上万的，其它选项不和语法，故选D。
点评：hundred thousand million这些数词，表示具体数目时与基数词连用，不用复数形式，复数形式+of表示大概的比较多的数目。